Maximum PC: Slow your roll, early adopter -- before you go checking out with that 4K Ultra HD monitor in your virtual shopping cart, you should familiarize yourself with Asus ROG's Swift PG278Q panel. Teased earlier this year, Asus ROG officially announced the Swift PG278Q this week, a 27-inch display with a 144Hz refresh rate, blazing fast 1ms response time, and Nvidia G-Sync technology. It isn't 4K, but it is prepped and primed for gaming at high res.